{ lib, python3, git, pkgconfig }:

# Note:
# Conan has specific dependency demands; check
#     https://github.com/conan-io/conan/blob/master/conans/requirements.txt
#     https://github.com/conan-io/conan/blob/master/conans/requirements_server.txt
# on the release branch/commit we're packaging.
#
# Two approaches are used here to deal with that:
# Pinning the specific versions it wants in `newPython`,
# and using `substituteInPlace conans/requirements.txt ...`
# in `postPatch` to allow newer versions when we know
# (e.g. from changelogs) that they are compatible.

let newPython = python3.override {
  packageOverrides = self: super: {
    distro = super.distro.overridePythonAttrs (oldAttrs: rec {
      version = "1.1.0";
      src = oldAttrs.src.override {
        inherit version;
        sha256 = "1vn1db2akw98ybnpns92qi11v94hydwp130s8753k6ikby95883j";
      };
    });
    node-semver = super.node-semver.overridePythonAttrs (oldAttrs: rec {
      version = "0.6.1";
      src = oldAttrs.src.override {
        inherit version;
        sha256 = "1dv6mjsm67l1razcgmq66riqmsb36wns17mnipqr610v0z0zf5j0";
      };
    });
    pluginbase = super.pluginbase.overridePythonAttrs (oldAttrs: rec {
      version = "0.7";
      src = oldAttrs.src.override {
        inherit version;
        sha256 = "c0abe3218b86533cca287e7057a37481883c07acef7814b70583406938214cc8";
      };
    });
  };
};

in newPython.pkgs.buildPythonApplication rec {
  version = "1.25.0";
  pname = "conan";

  src = newPython.pkgs.fetchPypi {
    inherit pname version;
    sha256 = "1wgmx6s4h5m6zixb3wlaicy56rsqcy2srzmvii80xdx9g5wvi9pv";
  };

  propagatedBuildInputs = with newPython.pkgs; [
    bottle
    colorama
    dateutil
    deprecation
    distro
    fasteners
    future
    jinja2
    node-semver
    patch-ng
    pluginbase
    pygments
    pyjwt
    pylint # Not in `requirements.txt` but used in hooks, see https://github.com/conan-io/conan/pull/6152
    pyyaml
    requests
    six
    tqdm
    urllib3
  ];

  checkInputs = [
    pkgconfig
    git
  ] ++ (with newPython.pkgs; [
    codecov
    mock
    pytest
    node-semver
    nose
    parameterized
    webtest
  ]);

  # Conan 1.14.0 has removed all tests from the Pypi source dist:
  #     https://github.com/conan-io/conan/pull/4713
  # We have recommended they be added back:
  #     https://github.com/conan-io/conan/issues/4563#issuecomment-602225083
  doCheck = false;

  postPatch = ''
    substituteInPlace conans/requirements.txt \
      --replace "PyYAML>=3.11, <3.14.0" "PyYAML" \
      --replace "deprecation>=2.0, <2.1" "deprecation"
  '';

  meta = with lib; {
    homepage = "https://conan.io";
    description = "Decentralized and portable C/C++ package manager";
    license = licenses.mit;
    maintainers = with maintainers; [ HaoZeke ];
    platforms = platforms.linux;
  };
}